Year	Dollars
1992-01-01	20621116
2006-01-01	24236135
2007-01-01	16444583
2008-01-01	18329880
2009-01-01	12368928
2010-01-01	22576305
2012-01-01	47555805
2013-01-01	34271219
2014-01-01	25061694
2015-01-01	32450700
2016-01-01	25893880